Fruits

How much protein is in banana?

One medium banana has about 1.3 g of protein.

That's 1.1 g of protein per 100 g, or 1.2 g for every 100 calories.

Protein per serving

Protein and calories in common servings of banana, from USDA data.
ServingWeightProteinCalories
1 medium banana118 g1.3 g105
1 large banana136 g1.5 g121
100 g100 g1.1 g89

How banana compares

Other fruits, ranked by how much protein you get per 100 calories.

FoodProtein per 100 gProtein per 100 calories
Guavaraw 2.6 g 3.8 g
Blackberriesraw 1.4 g 3.2 g
Strawberriesraw 0.7 g 2.1 g
Orangeraw 0.9 g 2 g
Jackfruitraw 1.7 g 1.8 g
Dried apricotshalves 3.4 g 1.4 g
Avocadoraw 2 g 1.3 g
Blueberriesraw 0.7 g 1.3 g
Grapesred or green 0.7 g 1 g
Appleraw, with skin 0.3 g 0.5 g

How it fits into a meal

For building muscle, Schoenfeld and Aragon's 2018 review of the research suggests about 0.4 g of protein per kilogram of body weight at each meal, spread over at least four meals a day. At 170 lb (77 kg), that's about 31 g a meal. One medium banana covers about 4% of that.

Work out your own daily and per-meal target with the protein calculator.

Nutrition data: USDA FoodData Central ("Bananas, raw", FDC ID 173944). Actual values vary by brand, recipe and cooking method, so treat these numbers as close estimates.